File:California fish and game (20487923596).jpg

Title: California fish and game
Identifier: californiafishgabien19401942cali2 (find matches)
Year: [1] (s)
Authors: California. Dept. of Fish and Game; California. Fish and Game Commission; California. Division of Fish and Game
Subjects: Fisheries -- California; Game and game-birds -- California; Fishes -- California; Animal Population Groups; Pêches; Gibier; Poissons
Publisher: (San Francisco, etc. ) State of California, Resources Agency, Dept. of Fish and Game
Contributing Library: California Department of Fish and Game
Digitizing Sponsor: Internet Archive

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'riiiKTV-SKViox'iii i:ii;N.\iAh Ki;i'()K'r 31 Several pluises of the i)i'()bl(Mii will he iii\('sti<i:ate(l. Extensive sur- veys will be cai'i'ied out to (let(M'Hiiu(! what ))arasites occur, how wide- spread are certain diseases and what other animals may be affected or may serve as carriers. Ki-om such information, ))Ius Jaboi-itory experiments on life histories and pat)ioIo<iy, il is hoped that we sh;ill be able to evalu- ate the importance of diseases and the nalure of damage to wild animal )iopulations. Once such information has been obtaiiu'd control measures will be attempted. One of the important still unanswered questions in wildlife is the fluctuation of populations know'u as cych's. The first known project on this subject was the British Grouse investigation on which a rei)ort was ))ublished in li)l 1. Similar surveys have been cai-ried out in other parts of the world as well as in this Country since that time. At the Matamek Conference on Biolooical Cycles (1982) a <ii-eat deal of importance was placed on the disease factor. Although much inves- tigation has been made, particularly on rabbits and game birds, the reasons for the periodicity, with cyclic diseases as a possible factor, are still obscure and much more extensive work is indicated. Often the r*^
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MAP or CALIFORNIA DCP*BrvEWT Of NATURAL BfSOUOCCS D'Vis'On Of rrSH 1 camC I STATe or CA; <rotiun J'^ Ur Fig. 7

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